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Individual Calculations December 2017 |
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| Methiyra, G P Detumini Total change: -39.60 | |   |
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| Colombo District Youth Chess Championship - 2017 Under 15 Boys (2002 - 2003) | Colombo | SRI | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1048 | 1166 | 1.00 | 2 | -0.32 | 40 | -12.80 | |
|  Mahipala, N A Pasindu Sasanka | | | 1075 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | |  Devinda, D W M Dinupa | | | 1020 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1166 | 1.00 | 4 | -0.67 | 40 | -26.80 | |
| | Aluvihare, Shakila | | | 1566 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sahasra, A P Sasindu | | | 1378 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Desurra, G P Damsilu | | | 1050 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Perera, Isara Ranmeth | | | 1017 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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